Effects of Brisk Walking on Overweight/Obesity Population

1.Objective The investigators aim to determine the effect of brisk walking prescription (\> 10000 steps, \> five days, per week) on body components and metabolic risk factors among patients with overweight/obesity. The objectives are as follow: 1. The body components changes before/after the brisk walking prescription (\> 10000 steps, \> five days per week) intervention in overweight/obesity population; 2. The metabolic risk factors changes before/after the brisk walking prescription (\ 10000 steps, \> five days, per week. For individual follow-up, body components and metabolic risk factors will be tested before and after the study. Every participants will be followed up in community visits every month. 3\. Statistical analysis Statistical analysis will be performed using SPSS 16.0 version package (SPSS Inc., Chicago, IL.). Numerical data will be presented as mean ± standard deviation for normal distribution or otherwise median (interquartile range). Two-sided independent t-test is adopted for between-group comparison on end-points with normal distribution, otherwise non-parametric test. Row-Column table will be analyzed through chi-square test. P\<0.05 is taken as statistical significant.